You know, if we could just omit all references to "what Browning wanted" or "what the studio/Laemmle did" and just say that the "restored" versions are simply following the script, I think we'd all get along so much better.  

The question of what version Browning wanted, what he himself adjusted, or what was "forced" upon him could be, seems to me, a separate question entirely.  If the "restored" versions are following what's in the script, and only that, then they become a purely academic exercise and we don't have to quibble about tidbits of evidence to support various points of view. Then it's merely a look at what was more or less approved to go into production in the fall of 1930.  Whatever changed after that, and why it changed, doesn't even enter into it.

As for the one or two visits that Dracula makes to Mina's room...here I must confess to being pretty wool-headed.  I've read that portion of Gary's book, and I've read Clark's explanations on the board, and I've watched the 1931 film a zillion times, and Clark's revision at least 4 times...and I just can't make heads or tails of what anybody's saying about those scenes, what's in the script, what's in the film, what was or was not lifted from another scene.  I know I'm just so damn old, but it makes me dizzy to try to figure it all out.